This is the new Mazda Kiyora, a concept car that is not only designed to consume less gas and produce less emissions, but to collect and purify the most important liquid on Earth: Water. You know, for drinking. If you are into that kind of liquid, anyway. When you drive the Mazda Kiyora through rain, its roof channels…

The RainwaterHOG is a design-y rainwater tank (yes, there is such a thing) that collects rain to re-use in the garden, give to your dog or fill up your Super Soaker without draining the mains. Most people don't save rainwater because they don't want a giant open bucket/mosquito-larvae farm on their porch. But now, you…